What does "access" mean?

What does access mean is generally defined as ability, right, or permission to enter, use, obtain, or approach something. As a noun, access means entry, admission, or availability, for example building access means ability to enter building, internet access means ability to connect to internet, access to information means ability to retrieve and use information. As a verb, to access means to gain entry, to retrieve, to open, or to use, for example to access a file means to open it, to access a website means to load it. In security, access control determines who has access to what. In disability context, accessible means designed to be usable by people with disabilities. Access implies removal of barrier, whether physical barrier like locked door, digital barrier like password, or social barrier like lack of opportunity. Having access does not always mean using, but means you can use when you want. The term is fundamental in technology, law, education, and healthcare, where equitable access means fair opportunity to benefit. Full meaning includes both permission and capability to use or enter.